shad-go/lectures/07-sql/exec/exec.go

package exec

import (
	"context"
	"database/sql"
	"log"
)

func Exec(ctx context.Context, db *sql.DB) {
	res, err := db.ExecContext(
		ctx,
		"UPDATE users SET name = $1 WHERE id = $2",
		"William Mandella", 1,
	)
	if err != nil {
		log.Fatal(err)
	}

	lastID, _ := res.LastInsertId()
	rowsAffected, _ := res.RowsAffected()

	log.Println(lastID, rowsAffected)
}